<template>
  <div class="trade-container">
    <h3 class="title">填写并核对订单信息</h3>
    <div class="content">
      <h5 class="receive">收件人信息</h5>
      <div class="address clearFix" v-for="(item, index) in allAddress" :key="item.id">
        <span class="username" :class="{ selected: item.isDefault == 1 }">{{ item.consignee }}</span>
        <p @click="changeActive(index)">
          <span class="s1">{{ item.userAddress }}</span>
          <span class="s2">{{ item.phoneNum }}</span>
          <span class="s3" v-show="item.isDefault == 1">默认地址</span>
        </p>
      </div>

      <div class="line"></div>
      <h5 class="pay">支付方式</h5>
      <div class="address clearFix">
        <span class="username selected">在线支付</span>
        <span class="username" style="margin-left:5px;">货到付款</span>

      </div>
      <div class="line"></div>
      <h5 class="pay">送货清单</h5>
      <div class="way">
        <h5>配送方式</h5>
        <div class="info clearFix">
          <span class="s1">天天快递</span>
          <p>配送时间：预计8月10日（周三）09:00-15:00送达</p>
        </div>
      </div>
      <div class="detail" v-if="shopGoods.length > 0">
        <h5>商品清单</h5>
        <ul class="list clearFix" v-for="item in shopGoods" :key="item.skuId">
          <li>
            <img style="height: 80px;width: 80px;" :src="item.imgUrl" alt="">
          </li>
          <li>
            <p>
              {{ item.skuName }}</p>
            <h4>7天无理由退货</h4>
          </li>
          <li>
            <h3>￥{{ item.skuPrice }}</h3>
          </li>
          <li>X{{ item.skuNum }}</li>
          <li>有货</li>
        </ul>
      </div>
      <div class="bbs">
        <h5>买家留言：</h5>
        <textarea placeholder="建议留言前先与商家沟通确认" class="remarks-cont" v-model="msg"></textarea>

      </div>
      <div class="line"></div>
      <div class="bill">
        <h5>发票信息：</h5>
        <div>普通发票（电子） 个人 明细</div>
        <h5>使用优惠/抵用</h5>
      </div>
    </div>
    <div class="money clearFix">
      <ul>
        <li>
          <b><i>{{ shopGoods.length }}</i>件商品，总商品金额</b>
          <span>¥{{ totalBuygoodsPrice }}</span>
        </li>
        <li>
          <b>返现：</b>
          <span>0.00</span>
        </li>
        <li>
          <b>运费：</b>
          <span>0.00</span>
        </li>
      </ul>
    </div>
    <div class="trade">
      <div class="price">应付金额:<span>¥{{ totalBuygoodsPrice }}</span></div>
      <div class="receiveInfo">
        寄送至:
        <span>{{ userDefaultAddress.userAddress }}</span>
        收货人：<span>{{ userDefaultAddress.consignee }}</span>
        <span>{{ userDefaultAddress.phoneNum }}</span>
      </div>
    </div>
    <div class="sub clearFix">
      <a href="javascript:void(0)" class="subBtn" @click="submitOrder">提交订单</a>
    </div>
  </div>
</template>

<script>
import { mapActions, mapMutations, mapState } from 'vuex';

export default {
  name: 'TradeIndex',
  data() {
    return {
      msg: '',//买家留言
      tradeNo: ''//订单号
    }
  },
  computed: {
    //把购物车里面的商品取出来
    ...mapState('shopCart', ['shopCartList']),
    ...mapState('trade', ['allAddress', 'shopGoods']),
    // 计算总价
    totalBuygoodsPrice() {
      return this.shopGoods.reduce((total, item) => {
        return total + (item.skuNum * item.skuPrice);
      }, 0);
    },
    //把选中的收货地址取出来
    userDefaultAddress() {
      return this.allAddress.find(item => item.isDefault == 1) || {}
    }
  },
  methods: {
    ...mapMutations('trade', ['getShopgoods']),
    ...mapActions('trade', ['setAddress', 'setShopcart']),
    getshopCart() {
      //把购物车里面的勾选的商品存到新的数组里面
      let buyCart = this.shopCartList.filter(item => item.isChecked == 1)
      this.setShopcart(buyCart)
    },
    changeActive(newIndex) {
      //把
      this.allAddress.forEach(item => {
        item.isDefault = 0;
      });
      this.allAddress[newIndex].isDefault = 1
    },
    //随机订单号并且保存

    getOrderNumber() {
      let result = '';
      const characters = '0123456789'; // 数字字符
      const charactersLength = characters.length;

      for (let i = 0; i < 4; i++) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
      }
      this.tradeNo = result
    },

    //提交订单
    submitOrder() {
      console.log('把选中的默认地址本地存储一下');
      let orderData=JSON.parse(sessionStorage.getItem('BUYORDER'))
      let orderInfo={
        ...orderData,
        userAddress:this.userDefaultAddress
      }
      console.log('打印一下总的一个订单信息：');
      
      console.log(orderInfo);
      //本地存储我的订单信息
      sessionStorage.setItem('MYORDERINFO', JSON.stringify(orderInfo))
      this.$router.push(
        {
          name: 'pay',
          //传给pay页面?tradeNo
          query: { tradeNo: this.tradeNo }
        }
      )
    }
  },
  async mounted() {
    await this.setAddress()
    await this.getshopCart()

    sessionStorage.setItem('totalPrice', this.totalBuygoodsPrice)
    //获取订单编号
    await this.getOrderNumber()
    console.log('获取的订单号:', this.tradeNo);
  }
}
</script>

<style lang="less" scoped>
.trade-container {
  .title {
    width: 1200px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 21px;
  }

  .content {
    width: 1200px;
    margin: 10px auto 0;
    border: 1px solid rgb(221, 221, 221);
    padding: 25px;
    box-sizing: border-box;

    .receive,
    .pay {
      line-height: 36px;
      margin: 18px 0;
    }

    .address {
      padding-left: 20px;
      margin-bottom: 15px;

      .username {
        float: left;
        width: 100px;
        height: 30px;
        line-height: 30px;
        text-align: center;
        border: 1px solid #ddd;
        position: relative;
      }

      .username::after {
        content: "";
        display: none;
        width: 13px;
        height: 13px;
        position: absolute;
        right: 0;
        bottom: 0;
        background: url(./images/choosed.png) no-repeat;
      }

      .username.selected {
        border-color: #e1251b;
      }

      .username.selected::after {
        display: block;
      }

      p {
        width: 610px;
        float: left;
        line-height: 30px;
        margin-left: 10px;
        padding-left: 5px;
        cursor: pointer;

        .s1 {
          float: left;

        }

        .s2 {
          float: left;
          margin: 0 5px;
        }

        .s3 {
          float: left;
          width: 56px;
          height: 24px;
          line-height: 24px;
          margin-left: 10px;
          background-color: #878787;
          color: #fff;
          margin-top: 3px;
          text-align: center;
        }
      }

      p:hover {
        background-color: #ddd;
      }
    }

    .line {
      height: 1px;
      background-color: #ddd;
    }

    .way {
      width: 1080px;
      height: 110px;
      background: #f4f4f4;
      padding: 15px;
      margin: 0 auto;

      h5 {
        line-height: 50px;
      }

      .info {
        margin-top: 20px;

        .s1 {
          float: left;
          border: 1px solid #ddd;
          width: 120px;
          height: 30px;
          line-height: 30px;
          text-align: center;
          margin-right: 10px;
        }

        p {
          line-height: 30px;
        }
      }
    }

    .detail {
      width: 1080px;

      background: #feedef;
      padding: 15px;
      margin: 2px auto 0;

      h5 {
        line-height: 50px;
      }

      .list {
        display: flex;
        justify-content: space-between;

        li {
          line-height: 30px;

          p {

            margin-bottom: 20px;
          }

          h4 {
            color: #c81623;
            font-weight: 400;
          }

          h3 {

            color: #e12228;
          }
        }
      }
    }

    .bbs {
      margin-bottom: 15px;

      h5 {
        line-height: 50px;
      }

      textarea {
        width: 100%;
        border-color: #e4e2e2;
        line-height: 1.8;
        outline: none;
        resize: none;
      }
    }

    .bill {
      h5 {
        line-height: 50px;
      }

      div {
        padding-left: 15px;
      }
    }
  }

  .money {
    width: 1200px;
    margin: 20px auto;

    ul {
      width: 220px;
      float: right;

      li {
        line-height: 30px;
        display: flex;
        justify-content: space-between;

        i {
          color: red;
        }
      }
    }
  }

  .trade {
    box-sizing: border-box;
    width: 1200px;
    padding: 10px;
    margin: 10px auto;
    text-align: right;
    background-color: #f4f4f4;
    border: 1px solid #ddd;

    div {
      line-height: 30px;
    }

    .price span {
      color: #e12228;
      font-weight: 700;
      font-size: 14px;
    }

    .receiveInfo {
      color: #999;
    }
  }

  .sub {
    width: 1200px;
    margin: 0 auto 10px;

    .subBtn {
      float: right;
      width: 164px;
      height: 56px;
      font: 700 18px "微软雅黑";
      line-height: 56px;
      text-align: center;
      color: #fff;
      background-color: #e1251b;

    }
  }

}
</style>